Screen pre-filter for a motorcycle engine



FIG. 1 is a top plan view of a screen pre-filter for a motocycle engine,showing my design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a perspective view thereof for mounting over the air intake ofa motorycle engine shown in dotted designation, the latter forming nopart of this invention;

FIG. 7 is an upper perspective view of a second embodiment of the screenpre-filter for a motorcycle engine; and,

FIG. 8 is an upper perspective view of a third embodiment of the screenpre-filter for a motorcycle engine.

The ornamental design for a screen prefilter for a motorcycle engine, asshown and described.